MCR03EZPFX6193 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX6193 is a 619 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -55°C to 155°C. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives from active manufacturers that maintain identical electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	619 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MCR03EZPFX6193 is determined by strict equivalence across the following parameters:

Resistance value: 619 kOhms
Tolerance: ±1%
Power rating: 0.1W
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1

Parts are grouped into two categories based on feature alignment:

Direct Equivalents (AEC-Q200 Rated): CRCW0603619KFKEA (Vishay Dale), ERJ-3EKF6193V (Panasonic Electronic Components), and RMCF0603FT619K (Stackpole Electronics Inc) maintain full automotive AEC-Q200 certification matching the original specification.

Similar Alternatives (Moisture Resistant): CR0603-FX-6193ELF (Bourns Inc.) and RC0603FR-07619KL (YAGEO) meet all electrical and mechanical parameters with moisture-resistant features but do not carry AEC-Q200 automotive rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	Inventory (Pcs)
MCR03EZPFX6193	Rohm Semiconductor	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	640
CRCW0603619KFKEA	Vishay Dale	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	31,869
ERJ-3EKF6193V	Panasonic Electronic Components	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	89,607
RMCF0603FT619K	Stackpole Electronics Inc	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	18,028
CR0603-FX-6193ELF	Bourns Inc.	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	16,454
RC0603FR-07619KL	YAGEO	619 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	402,960

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 compliance, select from the direct equivalents: CRCW0603619KFKEA, ERJ-3EKF6193V, or RMCF0603FT619K. All three maintain identical electrical specifications and automotive certification. ERJ-3EKF6193V offers the highest inventory availability at 89,607 units. CRCW0603619KFKEA provides 31,869 units in Tape & Reel packaging. RMCF0603FT619K supplies 18,028 units.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-6193ELF and RC0603FR-07619KL are functionally equivalent alternatives. RC0603FR-07619KL provides the largest inventory pool at 402,960 units. Both parts maintain full electrical and mechanical compatibility with identical resistance, tolerance, power rating, package dimensions, and temperature specifications.

All substitute parts are ROHS3 compliant, MSL 1 rated, and REACH unaffected, matching the original part's environmental and regulatory status.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-6193ELF or RC0603FR-07619KL as direct replacements for MCR03EZPFX6193 in automotive applications?

A: No. CR0603-FX-6193ELF and RC0603FR-07619KL lack AEC-Q200 automotive certification. Use CRCW0603619KFKEA, ERJ-3EKF6193V, or RMCF0603FT619K for automotive applications requiring AEC-Q200 compliance.

Q: Are all substitute parts physically compatible with the original PCB layout?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions. Dimensional variations (length 0.061" to 0.063", width 0.031" to 0.033", height 0.020" to 0.022") fall within standard PCB pad tolerances and do not affect placement or soldering.

Q: What is the difference between direct equivalents and similar alternatives?

A: Direct equivalents (CRCW0603619KFKEA, ERJ-3EKF6193V, RMCF0603FT619K) carry AEC-Q200 automotive certification. Similar alternatives (CR0603-FX-6193ELF, RC0603FR-07619KL) feature moisture-resistant construction but lack automotive qualification. Electrical and mechanical specifications are identical across all five parts.

Q: Which substitute offers the best inventory availability?

A: RC0603FR-07619KL by YAGEO provides 402,960 units in stock. For AEC-Q200 rated alternatives, ERJ-3EKF6193V by Panasonic offers 89,607 units.

Q: Do all substitutes maintain the same temperature coefficient and operating range?

A: Yes. All substitute parts specify ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the original MCR03EZPFX6193.

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